4 files changed, 43 insertions, 8 deletions

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 8f9b4f710d4a..c819b0bd491a 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -1043,15 +1043,30 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
         __u32 secdesclen = 0;
         struct cifs_ntsd *pntsd = NULL; /* acl obtained from server */
         struct cifs_ntsd *pnntsd = NULL; /* modified acl to be sent to server */
+        struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+        struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+        struct cifs_tcon *tcon;
+
+        if (IS_ERR(tlink))
+                return PTR_ERR(tlink);
+        tcon = tlink_tcon(tlink);
 
         cifs_dbg(NOISY, "set ACL from mode for %s\n", path);
 
         /* Get the security descriptor */
-        pntsd = get_cifs_acl(CIFS_SB(inode->i_sb), inode, path, &secdesclen);
+
+        if (tcon->ses->server->ops->get_acl == NULL) {
+                cifs_put_tlink(tlink);
+                return -EOPNOTSUPP;
+        }
+
+        pntsd = tcon->ses->server->ops->get_acl(cifs_sb, inode, path,
+                                                &secdesclen);
         if (IS_ERR(pntsd)) {
                 rc = PTR_ERR(pntsd);
                 cifs_dbg(VFS, "%s: error %d getting sec desc\n", __func__, rc);
-                goto out;
+                cifs_put_tlink(tlink);
+                return rc;
         }
 
         /*
@@ -1064,6 +1079,7 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
         pnntsd = kmalloc(secdesclen, GFP_KERNEL);
         if (!pnntsd) {
                 kfree(pntsd);
+                cifs_put_tlink(tlink);
                 return -ENOMEM;
         }
 
@@ -1072,14 +1088,18 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
 
         cifs_dbg(NOISY, "build_sec_desc rc: %d\n", rc);
 
+        if (tcon->ses->server->ops->set_acl == NULL)
+                rc = -EOPNOTSUPP;
+
         if (!rc) {
                 /* Set the security descriptor */
-                rc = set_cifs_acl(pnntsd, secdesclen, inode, path, aclflag);
+                rc = tcon->ses->server->ops->set_acl(pnntsd, secdesclen, inode,
+                                                     path, aclflag);
                 cifs_dbg(NOISY, "set_cifs_acl rc: %d\n", rc);
         }
+        cifs_put_tlink(tlink);
 
         kfree(pnntsd);
         kfree(pntsd);
-out:
         return rc;
 }
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index a245d1809ed8..615e35ab7ef6 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -395,6 +395,10 @@ struct smb_version_operations {
         int (*set_EA)(const unsigned int, struct cifs_tcon *, const char *,
                         const char *, const void *, const __u16,
                         const struct nls_table *, int);
+        struct cifs_ntsd * (*get_acl)(struct cifs_sb_info *, struct inode *,
+                        const char *, u32 *);
+        int (*set_acl)(struct cifs_ntsd *, __u32, struct inode *, const char *,
+                        int);
 };
 
 struct smb_version_values {
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 3e4ff79e3031..bfd66d84831e 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -1071,6 +1071,10 @@ struct smb_version_operations smb1_operations = {
         .query_all_EAs = CIFSSMBQAllEAs,
         .set_EA = CIFSSMBSetEA,
 #endif /* CIFS_XATTR */
+#ifdef CONFIG_CIFS_ACL
+        .get_acl = get_cifs_acl,
+        .set_acl = set_cifs_acl,
+#endif /* CIFS_ACL */
 };
 
 struct smb_version_values smb1_values = {
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index 95c43bb20335..5ac836a86b18 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -176,8 +176,12 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
                         rc = -ENOMEM;
                 } else {
                         memcpy(pacl, ea_value, value_size);
-                        rc = set_cifs_acl(pacl, value_size,
-                                direntry->d_inode, full_path, CIFS_ACL_DACL);
+                        if (pTcon->ses->server->ops->set_acl)
+                                rc = pTcon->ses->server->ops->set_acl(pacl,
+                                                value_size, direntry->d_inode,
+                                                full_path, CIFS_ACL_DACL);
+                        else
+                                rc = -EOPNOTSUPP;
                         if (rc == 0) /* force revalidate of the inode */
                                 CIFS_I(direntry->d_inode)->time = 0;
                         kfree(pacl);
@@ -323,8 +327,11 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
                         u32 acllen;
                         struct cifs_ntsd *pacl;
 
-                        pacl = get_cifs_acl(cifs_sb, direntry->d_inode,
-                                                full_path, &acllen);
+                        if (pTcon->ses->server->ops->get_acl == NULL)
+                                goto get_ea_exit; /* rc already EOPNOTSUPP */
+
+                        pacl = pTcon->ses->server->ops->get_acl(cifs_sb,
+                                        direntry->d_inode, full_path, &acllen);
                         if (IS_ERR(pacl)) {
                                 rc = PTR_ERR(pacl);
                                 cifs_dbg(VFS, "%s: error %zd getting sec desc\n",